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The California Geological Survey, previously known as the California Division of Mines and Geology, is the California state geologic agency. History [ edit ] Although it was not until 1880 that the California State Mining Bureau , predecessor to the California Geological Survey, was established, the "roots" of California's state geological ...
The Surface Mining and Reclamation Act of 1975 (SMARA) gave the Department of Conservation responsibilities related to reclamation of mined lands. Initially these responsibilities were allocated to the Division of Mines and Geology, working in concert with the State Mining and Geology Board and local governments.
The Mines and Geo-sciences Bureau (MGB) is a government agency of the Philippines under the Department of Environment and Natural Resources (DENR). The MGB is responsible for the conservation, management, development and use of the country's mineral resources, including those in reservations and public lands.
The closure of gold mines during World War II by the War Production Board Limitation Order No. 208 in autumn 1942 was a major impact on the production until the end of the war. [3] US gold production greatly increased during the 1980s, due to high gold prices and the use of heap leaching to recover gold from disseminated low-grade deposits in ...
Systematic geological mapping and mineral exploration were done by the Nepal Bureau of Mines that was established in 1961 and Nepal Geological Survey that was established in 1967. These two organizations were combined in 1977 and renamed as Department of Mines and Geology (DMG). Mineral exploration activities were in peak during 1969 – 1984.
The Department of Mines and Geology has discovered large bodies of Kimberlite intrusion in northern Lesotho. These are reported as 405 kimberline bodies constituted by 30 pipes, 343 dykes, and 23 blows (dyke enlargements), which amounts to one Kimberlite body per 21 square kilometres (8.1 sq mi) area of the country. There are also smaller ...
The Oregon Department of Geology and Mineral Industries (DOGAMI) is the agency of the government of the U.S. state of Oregon responsible for collecting, maintaining and disseminating geologic information, and regulation of industries which commercially develop the state's geological resources, including Natural gas, Crude oil, and other Mineral exploration and Mining.
Surface gold mine with haul truck in foreground, in Kalgoorlie, Australia. Mining in the engineering discipline is the extraction of minerals from the ground. Mining engineering is associated with many other disciplines, such as mineral processing, exploration, excavation, geology, metallurgy, geotechnical engineering and surveying.